Artificial atom probes sound’s quantum side
![illustration of setup to make sound go quantum](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/09/artificialatom_sound_free.jpg?fit=860%2C460&ssl=1)
In this illustration, which is not to scale, an artificial atom (right) generates sound waves as ripples on a solid surface. Interlaced metal fingers acting as a "microphone" (left) pick up the sound, which is composed of quantum particles.
Philip Krantz, Krantz NanoArt